5 ms·

Resources to get better at theoretical CS?

23 points by 0culus 9y ago

I was wondering if the HN community could suggest resources that might be helpful for getting over the hump on understanding theoretical CS. To provide perspective, I'm a first year master's student in CS with a focus on cybersecurity. We are all required to take what is basically an advanced automata course. Undergrad automata was a while ago, and while I'm getting my feet again with DFAs and NFAs and regular expressions, I'm getting more and more lost as we move to more advanced material that either wasn't covered in undergrad or was only touched upon. Thanks!

webmaven 9y ago
Check out the Open Source Society University's Computer Science learning path: https://github.com/ossu/computer-science https://github.com/ossu/computer-science
- 0culus 9y ago
  Thanks, this looks like a fantastic compendium. Will be looking through it.
- deninho 9y ago
  Been looking for this for a while, but couldn't remember anything specific. So, thanks for the link :)
sova 9y ago
Coursera has many excellent courses which I would recommend once you start diving into advanced applications. If your professors have a coffee-circle "Let's discuss a research paper once a week" get-together, I'd highly recommend attending. Even if you don't get a paper completely, it's really nice to give other people a brief on what it's about, and you end up learning a lot of really great stuff. It's a good way to get up to speed. Not really online resources as you're looking for, but thought I should mention it.
- 0culus 9y ago
  I'm not aware of anything like this currently, but I'll ask around. I know the professor for this class has run reading circles in prior semesters.
  - sova 9y ago
    It really is the best way. Half of my grad classes were exactly this format
gt565k 9y ago
Intro to theory of computation by Sipser is good. https://www.amazon.com/Introduction-Theory-Computation-Michael-Sipser/dp/113318779X https://www.amazon.com/Introduction-Theory-Computation-Micha...
- 0culus 9y ago
  That's the book we're using!
jventura 9y ago
An alternative to the books and links posted here could be to find someone who can help you with your "basic" CS doubts? Kind of a hire-a-CS-tutor, who could provide you with the necessary information, teach you something and eventually pointing the way forward.. As a CS professor myself I've been entertaining this idea for a part-time thing, but I don't know how many people could be interested on a service like this.
- rye-neat 9y ago
  As a 33 year-old, self-employed/self-taught web developer looking to become a more proficient programmer this interests me. I've been debating finishing up college to obtain my CS degree but it's only to fill the holes in my knowledge base rather than benefit from holding a degree. An arrangement much like a personal trainer at a gym could be an excellent model: identify areas to work on, come up with a plan, and check in.
  - jventura 9y ago
    Any suggestions on how an arrangement like that could work out for you, like weekly 1-hour online meetings for instance? Just trying to gather some generic opinions, aka "testing the market" :)
    - rye-neat 9y ago
      - An initial assessment of my needs, formulation of goals and a strategy to reach them. - a weekly correspondence would be nice but could be as simple as as an email/report - a monthly meeting/call/video session partnered with the weekly email/report would probably be crucial to ensure the 'student' was being held accountable for producing results.
- 0culus 9y ago
  Yeah, that could be very good. Especially for people who are no longer students per se...sometimes having access to an expert is the best way to avoid going down the wrong autodidactic path :) My professor is very helpful, but office hours and schedules can only mesh so much. I'm mainly looking for things I can supplement with to fill in any holes.
hackermailman 9y ago
There's some undergrad DFA recorded lectures/notes here from CMU https://functionalcs.github.io/curriculum/#orgc8f0258 https://functionalcs.github.io/curriculum/#orgc8f0258 specifically this https://scs.hosted.panopto.com/Panopto/Pages/Sessions/List.aspx#folderID=%22bcf8243e-cf18-481f-960f-3c5b26fbb69b%22&maxResults=50 https://scs.hosted.panopto.com/Panopto/Pages/Sessions/List.a... Regular Expressions I learned from these course notes on matching/staging (assume you know basic set theory notation) http://www.cs.cmu.edu/~15150/previous-semesters/2012-spring/lect.html http://www.cs.cmu.edu/~15150/previous-semesters/2012-spring/... and the accompanying chapters in Programming in Standard ML by Robert Harper http://www.cs.cmu.edu/~rwh/isml/book.pdf http://www.cs.cmu.edu/~rwh/isml/book.pdf where you debug regexp